Dell PowerConnect 3048 User Manual page 68

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Caution: Safety Instructions
Dell™ PowerConnect™ 3048 Systems User's Guide
Use the following safety guidelines to ensure your own personal safety and to help protect your system
from potential damage.
General
Observe and follow service markings. Do not service any product except as explained in your system
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documentation. Opening or removing covers that are marked with the triangular symbol with a
lightning bolt may expose you to electrical shock. Components inside these compartments should be
serviced only by a trained service technician.
If any of the following conditions occur, unplug the product from the electrical outlet and replace the
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part or contact your trained service provider:
The power cable, extension cable, or plug is damaged.
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An object has fallen into the product.
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The product has been exposed to water.
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The product has been dropped or damaged.
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The product does not operate correctly when you follow the operating instructions.
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Keep your system away from radiators and heat sources. Also, do not block cooling vents.
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Do not spill food or liquids on your system components, and never operate the product in a wet
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environment. If the system gets wet, see the appropriate section in your troubleshooting guide or
contact your trained service provider.
Do not push any objects into the openings of your system. Doing so can cause fire or electric shock by
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shorting out interior components.
Use the product only with approved equipment.
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Allow the product to cool before removing covers or touching internal components.
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Operate the product only from the type of external power source indicated on the electrical ratings
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label. If you are not sure of the type of power source required, consult your service provider or local
power company.
Use only approved power cable(s). If you have not been provided with a power cable for your system
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or for any AC-powered option intended for your system, purchase a power cable that is approved for
use in your country. The power cable must be rated for the product and for the voltage and current
marked on the product's electrical ratings label. The voltage and current rating of the cable should be
greater than the ratings marked on the product.
To help prevent electric shock, plug the system and peripheral power cables into properly grounded
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electrical outlets. These cables are equipped with three-prong plugs to help ensure proper grounding.
Do not use adapter plugs or remove the grounding prong from a cable. If you must use an extension
cable, use a 3-wire cable with properly grounded plugs.
Observe extension cable and power strip ratings. Make sure that the total ampere rating of all
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products plugged into the extension cable or power strip does not exceed 80 percent of the ampere
ratings limit for the extension cable or power strip.
To help protect your system from sudden, transient increases and decreases in electrical power, use a
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surge suppressor, line conditioner, or un-interruptible power supply (UPS).
Position system cables and power cables carefully; route cables so that they cannot be stepped on or
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tripped over. Be sure that nothing rests on any cables.